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Diagnosis: The lateral images reveal sesamoid (accessory bone), most likely in the lateral head of the Gastrocnemius, indicative of Fabella syndrome. Fabella syndrome is characterized by posterolateral knee pain, predominantly bilateral. Referral to an orthopedist for further management is appropriate for this patient because removal of the ossified body usually is a consideration.
Acknowledgement: Case presented by Linda-Michelle Ledesma, DO, Urgent Care Extra, Phoenix, Arizona.
Clinical Challenge – June 2014
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